1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2020 Intel Corporation
 4 */
 5
 6#ifndef __INTEL_PPS_H__
 7#define __INTEL_PPS_H__
 8
 9#include <linux/types.h>
10
11#include "intel_wakeref.h"
12
13struct drm_i915_private;
14struct intel_connector;
15struct intel_crtc_state;
16struct intel_dp;
17struct intel_encoder;
18
19intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp);
20intel_wakeref_t intel_pps_unlock(struct intel_dp *intel_dp, intel_wakeref_t wakeref);
21
22#define with_intel_pps_lock(dp, wf)						\
23	for ((wf) = intel_pps_lock(dp); (wf); (wf) = intel_pps_unlock((dp), (wf)))
24
25void intel_pps_backlight_on(struct intel_dp *intel_dp);
26void intel_pps_backlight_off(struct intel_dp *intel_dp);
27void intel_pps_backlight_power(struct intel_connector *connector, bool enable);
28
29bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp);
30void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync);
31void intel_pps_on_unlocked(struct intel_dp *intel_dp);
32void intel_pps_off_unlocked(struct intel_dp *intel_dp);
33void intel_pps_check_power_unlocked(struct intel_dp *intel_dp);
34
35void intel_pps_vdd_on(struct intel_dp *intel_dp);
36void intel_pps_on(struct intel_dp *intel_dp);
37void intel_pps_off(struct intel_dp *intel_dp);
38void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
39bool intel_pps_have_power(struct intel_dp *intel_dp);
40void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
41
42void intel_pps_init(struct intel_dp *intel_dp);
43void intel_pps_encoder_reset(struct intel_dp *intel_dp);
44void intel_pps_reset_all(struct drm_i915_private *i915);
45
46void vlv_pps_init(struct intel_encoder *encoder,
47		  const struct intel_crtc_state *crtc_state);
48
49void intel_pps_unlock_regs_wa(struct drm_i915_private *i915);
50void intel_pps_setup(struct drm_i915_private *i915);
51
52#endif /* __INTEL_PPS_H__ */